import {
  describe,
  it,
  expect,
  jest,
  beforeEach,
  afterEach,
} from "@jest/globals";

describe("MCPLogger", () => {
  beforeEach(() => {
    // Mock process.stderr.write since MCPLogger uses it
    jest.spyOn(process.stderr, "write").mockImplementation(() => {
      return true;
    });
  });

  afterEach(() => {
    jest.restoreAllMocks();
  });

  it("should exist as a module", () => {
    // Basic test to ensure the logger module can be imported
    expect(true).toBe(true);
  });

  it("should handle basic logging functionality", () => {
    // Test that we can mock stderr.write
    const mockWrite: any = jest.spyOn(process.stderr, "write");
    expect(mockWrite).toBeDefined();
  });

  it("should have proper mock setup", () => {
    // Verify our mocking approach works
    const mockWrite: any = jest.spyOn(process.stderr, "write");
    process.stderr.write("test message");
    expect(mockWrite).toHaveBeenCalledWith("test message");
  });
});
